isabelayoungwolf isabelayoungwolf
  • 13-09-2022
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The cost of two compact disks and three mp3 albums is $75.00. The cost of three compact disks and four mp3 albums is $106.25. What is the cost of one compact disk?

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MatrixEva
MatrixEva MatrixEva
  • 13-09-2022

3 2c+3m =75

2 3c+4m=106.25

6c+9m= 225

6c+8m= 212.5

m=12.5

2c+ 3(12.5)=75

2c+37.5=75

2c=37.5

c= 18.75

one cd is $18.75

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